Exercise stand



FIG. 1 is a top, front, right perspective view of my new design with additional selected features disclaimed;

FIG. 2 is a top, front, left perspective view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a top, front, right perspective view of the design in FIGS. 1-7 showing additional example environment.

The broken lines depicting the remainder of the exercise stand show features that form no part of the claimed design. 

CLAIM The ornamental design for an exercise stand, as shown and described. 